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      ROS 2 教程 啟動(dòng)設(shè)備節(jié)點(diǎn)

      在ROS 2中啟動(dòng)相機(jī)節(jié)點(diǎn)

      本指南提供了使用ROS 2啟動(dòng)啟用彩色點(diǎn)云功能的相機(jī)節(jié)點(diǎn)的指令。

      啟動(dòng)節(jié)點(diǎn)的命令

      要啟動(dòng)相機(jī)節(jié)點(diǎn),請(qǐng)?jiān)诮K端執(zhí)行以下命令:

      ros2 launch orbbec_camera gemini_330_series.launch.py enable_colored_point_cloud:=true

      此命令將啟動(dòng)相機(jī)節(jié)點(diǎn)并啟用彩色點(diǎn)云。

      發(fā)布的主題

      一旦相機(jī)節(jié)點(diǎn)運(yùn)行,它將在多個(gè)ROS主題上發(fā)布數(shù)據(jù)。以下是可用主題的列表:

      ● IMU數(shù)據(jù)和信息:

      ○ camera/accel/imu_info

      ○ camera/gyro/imu_info

      ○ camera/gyro_accel/sample

      ● 彩色攝像頭主題:

      ○ /camera/color/camera_info

      ○ /camera/color/image_raw

      ○ /camera/color/image_raw/compressed

      ○ /camera/color/image_raw/compressedDepth

      ○ /camera/color/image_raw/theora

      ○ /camera/color/metadata

      ● 深度攝像頭主題:

      ○ /camera/depth/camera_info

      ○ /camera/depth/image_raw

      ○ /camera/depth/image_raw/compressed

      ○ /camera/depth/image_raw/compressedDepth

      ○ /camera/depth/image_raw/theora

      ○ /camera/depth/metadata

      ○ /camera/depth/points

      ○ /camera/depth_filter_status

      ○ /camera/depth_registered/points

      ○ /camera/depth_to_color

      ○ /camera/depth_to_left_ir

      ○ /camera/depth_to_right_ir

      ● 紅外攝像頭主題:

      ○ /camera/left_ir/camera_info

      ○ /camera/left_ir/image_raw

      ○ /camera/left_ir/image_raw/compressed

      ○ /camera/left_ir/image_raw/compressedDepth

      ○ /camera/left_ir/image_raw/theora

      ○ /camera/left_ir/metadata

      ○ /camera/right_ir/camera_info

      ○ /camera/right_ir/image_raw

      ○ /camera/right_ir/image_raw/compressed

      ○ /camera/right_ir/image_raw/compressedDepth

      ○ /camera/right_ir/image_raw/theora

      ○ /camera/right_ir/metadata

      ● 其他主題:

      ○ /diagnostics

      ○ /parameter_events

      ○ /rosout

      ○ /rosout_agg

      RViz2中可視化數(shù)據(jù)

      要查看點(diǎn)云或圖像數(shù)據(jù),請(qǐng)使用RViz2:

      1. 啟動(dòng)RViz2。

      2. 從發(fā)布的主題列表中選擇您希望可視化的主題。

      3. 將選定的主題添加到RViz2中開(kāi)始查看數(shù)據(jù)。

      示例可視化

      以下是在RViz2中可視化可能出現(xiàn)的示例:

      ● 點(diǎn)云可視化

      image.png 

      ● 圖像數(shù)據(jù)可視化

      image.png


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